{"id":24932,"date":"2026-01-30T16:46:23","date_gmt":"2026-01-30T15:46:23","guid":{"rendered":"https:\/\/www.mio.osupytheas.fr\/?p=24932"},"modified":"2026-01-30T16:52:08","modified_gmt":"2026-01-30T15:52:08","slug":"observation-depuis-lespace-dun-declin-de-la-biomasse-planctonique-dans-un-hotspot-de-fixation-dazote","status":"publish","type":"post","link":"https:\/\/www.mio.osupytheas.fr\/fr\/observation-depuis-lespace-dun-declin-de-la-biomasse-planctonique-dans-un-hotspot-de-fixation-dazote\/","title":{"rendered":"Observation depuis l\u2019espace d\u2019un d\u00e9clin de la biomasse planctonique dans un hotspot de fixation d\u2019azote"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"24932\" class=\"elementor elementor-24932\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d6999fc e-flex e-con-boxed e-con e-parent\" data-id=\"d6999fc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-92e42e4 elementor-widget elementor-widget-text-editor\" data-id=\"92e42e4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4 style=\"text-align: justify;\"><strong>Actualit\u00e9 CNRS Terre &amp; Univers<\/strong><\/h4><p>\u00a0<\/p><p style=\"text-align: justify;\">Une \u00e9tude port\u00e9e par des scientifiques du CNRS Terre &amp; Univers (Laboratoire d&#8217;oc\u00e9anologie et de g\u00e9osciences (LOG) &amp;\u00a0Institut M\u00e9diterran\u00e9en d&#8217;Oc\u00e9anologie (MIO- OSU Pyth\u00e9as), met en \u00e9vidence un d\u00e9clin progressif au cours des deux derni\u00e8res d\u00e9cennies de la biomasse au sein du \u00ab hotspot \u00bb de fixation de l\u2019azote (N2) situ\u00e9 dans le Pacifique tropical sud-ouest.<\/p><p style=\"text-align: justify;\">Ce d\u00e9clin est attribu\u00e9 \u00e0 une diminution progressive de l\u2019amplitude des cycles saisonniers, en lien avec une modification de la stratification.<\/p><p>\u00a0<\/p><h4><a href=\"https:\/\/www.insu.cnrs.fr\/fr\/cnrsinfo\/observation-depuis-lespace-dun-declin-de-la-biomasse-planctonique-dans-un-hotspot-de\" target=\"_blank\" rel=\"noopener\"><strong>Lire l&#8217;actualit\u00e9<\/strong><\/a><\/h4>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d939b70 e-flex e-con-boxed e-con e-parent\" data-id=\"d939b70\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-794fcb0 elementor-widget elementor-widget-image\" data-id=\"794fcb0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"290\" height=\"290\" src=\"https:\/\/www.mio.osupytheas.fr\/wp-content\/uploads\/2026\/01\/cnrs_20110001_1355_HD.jpg\" class=\"attachment-1536x1536 size-1536x1536 wp-image-24934\" alt=\"\" srcset=\"https:\/\/www.mio.osupytheas.fr\/wp-content\/uploads\/2026\/01\/cnrs_20110001_1355_HD.jpg 290w, https:\/\/www.mio.osupytheas.fr\/wp-content\/uploads\/2026\/01\/cnrs_20110001_1355_HD-150x150.jpg 150w, https:\/\/www.mio.osupytheas.fr\/wp-content\/uploads\/2026\/01\/cnrs_20110001_1355_HD-12x12.jpg 12w\" sizes=\"(max-width: 290px) 100vw, 290px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f532591 e-flex e-con-boxed e-con e-parent\" data-id=\"f532591\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c5bd657 elementor-widget elementor-widget-text-editor\" data-id=\"c5bd657\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: center;\">Colonie de corail, Fakarava, archipel des Tuamotu.\u00a9 Thomas VIGNAUD\/CNRS Images<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Actualit\u00e9 CNRS Terre &amp; Univers\u00a0Une \u00e9tude port\u00e9e par des scientifiques du CNRS Terre &amp; Univers (Laboratoire d&#8217;oc\u00e9anologie et de g\u00e9osciences (LOG) &amp;\u00a0Institut M\u00e9diterran\u00e9en d&#8217;Oc\u00e9anologie (MIO- OSU Pyth\u00e9as), met en \u00e9vidence [&hellip;]<\/p>\n","protected":false},"author":319,"featured_media":24934,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[17,1,28],"tags":[],"class_list":["post-24932","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-a-la-une","category-actualites","category-avancees-scientifiques"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/posts\/24932","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/users\/319"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/comments?post=24932"}],"version-history":[{"count":4,"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/posts\/24932\/revisions"}],"predecessor-version":[{"id":24937,"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/posts\/24932\/revisions\/24937"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/media\/24934"}],"wp:attachment":[{"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/media?parent=24932"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/categories?post=24932"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/tags?post=24932"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}